My app sends out activation keys from a list of unassigned keys to
customers. An appropriate model action in the activation key model
would look something like this:
named_scope :available, :conditions => 'available IS NULL'
def fetch_available_key
key = ActivationKey.available.first
key.assigned = DateTime.now
key.save
return key
end
What's the best way to deal with concurrent requests in this
situation? My deployment server uses passenger, the database is MySQL
5.x.
Thanks,
Florian
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